Long nails with wide heads are glued to the bottom of the fairies. We use Gorilla Glue. A small piece of painters tape is used to hold nail in place while they dry. We put them upside down in goblets to hold them bottoms up.

Is there a secret on removing the tape without having the nail come off with it??
I used gorilla glue and had the nail come off as I ripped the tape off and one came off while putting it into the ground.

That is a great idea, We will have to try it. We use a dremmel or dril, and drill a very tiny hole first in the base of our fairies and then glue in 14 gage copper wire. It works great if you use a screw driver to poke the hole in the ground first. The wire is about 4 inches long to go into the ground. The next time I do some I will show the pics.